S
M
T
W
T
F
S
26
101°
65°
27
98°
67°
28
100°
65°
29
101°
66°
30
99°
65°
31
96°
64°
1
96°
64°
2
99°
61°
3
98°
60°
4
96°
59°
5
97°
60°
6
96°
60°
7
97°
61°
8
96°
60°
9
96°
60°
10
97°
62°
11
96°
62°
12
98°
60°
13
98°
60°
14
96°
59°
15
96°
60°
16
97°
61°
17
96°
63°
18
97°
66°
19
99°
67°
20
101°
66°
21
98°
60°
22
96°
59°
23
95°
63°
24
95°
65°
25
98°
63°
26
99°
62°
27
97°
60°
28
95°
60°
29
96°
61°
30
95°
61°
31
Hist. Avg.
97°
64°
1
Hist. Avg.
97°
64°
2
Hist. Avg.
97°
64°
3
Hist. Avg.
97°
63°
4
Hist. Avg.
96°
63°
5
Hist. Avg.
96°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Perris Valley
Perris Valley's August 2026 forecast shows daily high temperatures ranging from 95° to 101°, with overnight lows between 59° and 67°. The average high for August is 97° with an average low of 62°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Perris Valley. See also: September | October | November.
